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Unread 01-23-2017, 07:39 AM   #19
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edgarspencer
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Quote:
Originally Posted by Dean Romig View Post
Edgar, with a straight line (tapered) cutter how did they arrive at the 'ogee' at the beginning and at the end of the length of the choke taper? Was the ogee the result of the final hone and polish?
A straight tapered reamer is not going to yield anything but a straight taper. Any machining operation that yielded a curved surface at either end of the taper was either done by a hand lapping operation, or another tool. Of all the reamers in Hayes' tool box, there are no such reamers.

Quote:
Originally Posted by Dean Romig View Post
I recall reading that Parkers produced in Illion did not have the ogee that the Parker Bros. craftsmen finished the chokes with... I wonder why not and if the transition from the cylinder tube directly to the choke cone would affect the pattern by the possibility of more shot pellets being deformed?
I Can't comment on this, because I have never read what you're refering to, nor do I own, or care to own , any Ilion Remington made Parkers

Quote:
Originally Posted by Dean Romig View Post
I have a 12 bore with .041" and .042" of constriction that is certainly tighter than the .029" constriction suggested as full choke... so, what degree of choke should I call it?
Cheerio tight. Not a British choke term, but a Yankee one, describing a gun so tight, you can shoot through a Cheerio and not break it.
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